diff --git a/recipes/README.recipes.md b/recipes/README.recipes.md
index 45123b66a..5a72cd455 100644
--- a/recipes/README.recipes.md
+++ b/recipes/README.recipes.md
@@ -791,7 +791,7 @@ Raises:
 
 Returns a presubmit step.
 
-— **def [execute](/recipes/recipe_modules/presubmit/api.py#101)(self, bot_update_step, skip_owners=False, run_all=False):**
+— **def [execute](/recipes/recipe_modules/presubmit/api.py#103)(self, bot_update_step, skip_owners=False, run_all=False):**
 
 Runs presubmit and sets summary markdown if applicable.
 
diff --git a/recipes/recipe_modules/presubmit/api.py b/recipes/recipe_modules/presubmit/api.py
index 538e49415..47748a3c6 100644
--- a/recipes/recipe_modules/presubmit/api.py
+++ b/recipes/recipe_modules/presubmit/api.py
@@ -85,6 +85,8 @@ class PresubmitApi(recipe_api.RecipeApi):
                    'user.email=commit-bot@chromium.org',
                    '-c',
                    'user.name=The Commit Bot',
+                   '-c',
+                   'diff.ignoreSubmodules=all',
                    'commit',
                    '-a',
                    '-m',